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Oracle Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam 1Z0-898
Exam Number/Code : 1Z0-898
Exam Name : Java Platform, Enterprise Edition 6 Java Persistence API Developer Certified Expert Exam
One year free update
Once failed,100% refund
Questions and Answers : 63Q&As
Update Time : 2014-1-2
Price : $99.00

Free 1Z0-898 Demo Download
1.Entity lifecycle callback methods may be defined in which three classes.? (Choose three)
A.Embedded classes
B.Entity classes
C.Abstract classes
D.Entity listener classes
E.Mapped superclasses
F.Concrete non-entity superclasses
Answer: B,D,E

2.A developer wrote an entity class with the following method:
Private static Logger logger = Logger.getLogger ( ° myLogge¡±)
@PrePersist @PreUpdate Public void doA () { Logger.info ( ° ¡±); } @Pos t Persist @Pos t Update Publ ic voi
doB () { logger.info ( ° ¡±);
What will the log message contain when an application does the following?
Begins a transaction
Creates the entity
Persists the entity
Commits the transaction
Begins the entity data
Modifies the entity data
Merges the entity
Commits the second transaction
A.A A B B
B.A B A B
C.A B B A B
D.The application will throw an exception because multiple lifecycle callback annotations applied to a
single method.
Answer: B